{"id":"CVE-2021-21220","details":"Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","modified":"2026-03-13T00:47:59.557812Z","published":"2021-04-26T17:15:08.593Z","related":["openSUSE-SU-2021:0567-1","openSUSE-SU-2021:0575-1","openSUSE-SU-2021:0712-1","openSUSE-SU-2024:10681-1","openSUSE-SU-2024:12948-1"],"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21220"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/176210/Chrome-V8-JIT-XOR-Arbitrary-Code-Execution.html"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-08"},{"type":"REPORT","url":"https://crbug.com/1196683"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/162437/Google-Chrome-XOR-Typer-Out-Of-Bounds-Access-Remote-Code-Execution.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-21220.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"89.0.4389.128"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}